Low-voltage battery vehicle controller alerts

VCBATT alert codes

Showing 101–150 of 225

• VCBATT_a215 — Air Comp Driver Fault VCBATT_a215_airCompDriverFault The driver circuitry for the air suspension compressor reports a condition affecting functionality. The air compressor will be unavailable while the condition persists.
• VCBATT_a219 — LV Volt Floor Rchd VCBATT_a219_LVVoltFloorRchd The low voltage (LV) battery has reached its voltage floor before it has reached its Amp hour (Ah) budget. May indicate the LV battery has low charge capacity.
• VCBATT_a220 — Reverse Battery Fault VCBATT_a220_reverseBatteryFault The reverse battery protection transistor is not in its nominal state / functioning as expected. This occurs when an abnormally high amount of current is detected flowing from the low voltage (LV) battery vehicle controller to the LV batte…
• VCBATT_a221 — Left Turn Light Fault VCBATT_a221_leftTurnLightFault A fault has been detected with the front left turn indicator.
• VCBATT_a223 — 12 V Temp Sens Discnect VCBATT_a223_12VTempSensDiscnect The vehicle controller is reporting an open circuit on the low voltage (LV) battery temperature sensor, indicating damage to the sensor or wiring harness.
• VCBATT_a228 — Pump Bat Fbk Sanity VCBATT_a228_pumpBatFbkSanity The motor has a circuit warning. Powertrain performance may be limited.
• VCBATT_a229 — Pump Rad Fbk Sanity VCBATT_a229_pumpRadFbkSanity The motor has a circuit warning. Powertrain performance may be limited.
• VCBATT_a230 — Thml Fan Fbk Sanity VCBATT_a230_thmlFanFbkSanity The motor has a circuit warning. HVAC cabin cooling (air conditioning) and powertrain performance may be limited.
• VCBATT_a231 — 12 V Temp Sens Short VCBATT_a231_12VTempSensShort The vehicle controller is reporting a short circuit on the low voltage (LV) battery temperature sensor, indicating damage to the sensor or wiring harness.
• VCBATT_a237 — Pump Bat Chip Comms VCBATT_a237_pumpBatChipComms The motor controller has a communication fault. Possible VCBATT internal electrical issue. Powertrain performance may be limited.
• VCBATT_a238 — Pump Rad Chip Comms VCBATT_a238_pumpRadChipComms The motor controller has a communication fault. Possible VCBATT internal electrical issue. Powertrain performance may be limited.
• VCBATT_a239 — Thml Fan Chip Comms VCBATT_a239_thmlFanChipComms The motor controller has a communication fault. Possible VCBATT internal electrical issue. HVAC cabin cooling (air conditioning) and powertrain performance may be limited.
• VCBATT_a243 — LV Overcharge Instc VCBATT_a243_LVOverchargeInstc After a single discharge and recharge cycle, the low voltage (LV) battery has been overcharged by more than 5 Amp hours (Ah) compared to initial charge level. If this continues, it may indicate a condition affecting LV battery performance…
• VCBATT_a244 — Sleep Bypass Fault VCBATT_a244_sleepBypassFault The vehicle battery controller (VCBATT) detects a condition affecting the Sleep Bypass Buck Converter circuit, preventing the vehicle from sleeping.
• VCBATT_a248 — Voltage Out Of Spec VCBATT_a248_voltageOutOfSpec The vehicle controller detects a difference greater than 3% between readings from the two sensors that measure the low voltage (LV) battery voltage.
• VCBATT_a252 — Controller Wakeup VCBATT_a252_controllerWakeup Data capture event on front controller wakeup.
• VCBATT_a253 — Max Chrge Sssion Tmeout VCBATT_a253_maxChrgeSssionTmeout The low voltage (LV) battery charge cycle was stopped before it reached either its Amp hour or current targets, as the maximum time period for a charging session timeout had been reached.
• VCBATT_a254 — Pump Bat Stopped VCBATT_a254_pumpBatStopped The motor has a fault causing the motor to stop. Powertrain performance may be limited.
• VCBATT_a255 — Pump Rad Stopped VCBATT_a255_pumpRadStopped The motor has a fault causing the motor to stop. Powertrain performance may be limited.
• VCBATT_a256 — AQS Sensor Fault VCBATT_a256_AQSSensorFault AQS is MIA or is reporting SNA for at least one of its sensor values.
• VCBATT_a258 — Resistance Estimation Run VCBATT_a258_resistanceEstimationRun The test to capture the load current, battery temperature, voltage dip, pass/fail criteria.
• VCBATT_a259 — LV Voltage Drop On High Load Current VCBATT_a259_LVVoltageDropOnHighLoadCurrent The vehicle controller detects the low voltage (LV) battery voltage is lower than expected during a precharge event. When this occurs too many times, separate alerts will also be present to indicate precharging the high voltage (HV) bus ma…
• VCBATT_a260 — Dead LV Battery VCBATT_a260_deadLVBattery The vehicle controller detects the the low voltage (LV) battery may be overdischarged and no longer functional. This may indicate the LV battery has been damaged due to deep discharge, or it may indicate the LV battery voltage has dropped…
• VCBATT_a261 — Vcleft Voltage Mismatch VCBATT_a261_vcleftVoltageMismatch There is a greater than 0.5V drop between input power to the vehicle battery controller (VCBATT) and the left vehicle controller circuit.
• VCBATT_a265 — ESP Voltage Mismatch VCBATT_a265_ESPVoltageMismatch There is a greater than 0.5V drop between input power to the vehicle battery controller (VCBATT) and the stability controller circuit.
• VCBATT_a266 — EPAS3p Voltage Mismatch VCBATT_a266_EPAS3pVoltageMismatch There is a greater than 0.5V drop between input power to the vehicle battery controller (VCBATT) and the primary power steering circuit.
• VCBATT_a271 — Left Headlamp Retry Info VCBATT_a271_leftHeadlampRetryInfo Information regarding the status of a left headlamp retry channel (i.e., number of retries that have occured, current retry state, etc.).
• VCBATT_a290 — Left Fog Light Fault VCBATT_a290_leftFogLightFault The vehicle controller detects a condition affecting the front left fog light.
• VCBATT_a294 — Left Side Repeater Light Fault VCBATT_a294_leftSideRepeaterLightFault The vehicle controller detects a condition affecting the left side repeater light.
• VCBATT_a300 — Vbat Fused1 eFuse Trip VCBATT_a300_vbatFused1EFuseTrip The vehicle battery controller (VCBATT) detects an eFuse overcurrent event (or a trip) on the vehicle battery (VBAT) fused 1 power feed.
• VCBATT_a301 — Vbat Fused2 eFuse Trip VCBATT_a301_vbatFused2EFuseTrip The vehicle battery controller (VCBATT) detects an eFuse overcurrent event (or a trip) on the vehicle battery (VBAT) fused 2 power feed.
• VCBATT_a302 — Autopilot1 eFuse Trip VCBATT_a302_autopilot1EFuseTrip The vehicle battery controller (VCBATT) detects an eFuse overcurrent event (or a trip) on the Autopilot power feed.
• VCBATT_a350 — Esp Valve Current Sense Saturated VCBATT_a350_espValveCurrentSenseSaturated The ESP Valve may have tripped, the current reported by the eFuse is outside the bounds of what can be measured.
• VCBATT_a359 — Post POR Excessive Ah VCBATT_a359_postPORExcessiveAh After a vehicle power-on-reset (POR), the vehicle controller detects the low voltage (LV) battery has consumed too many Amp hours (Ah) during its initial charge, indicating the LV battery was deeply discharged prior to the power-on-reset.
• VCBATT_a370 — No LV Support Soc Too Low VCBATT_a370_noLVSupportSocTooLow The high voltage (HV) battery state of charge (SOC) is not sufficient to complete a low voltage (LV) battery recharge cycle. The LV battery may become completely discharged, and the vehicle electrical system may have inadequate support.
• VCBATT_a371 — Failure To Precharge Risk VCBATT_a371_failureToPrechargeRisk Based on historical data, the vehicle controller determines there is a high probability the low voltage (LV) battery will not successfully precharge the high voltage (HV) bus.
• VCBATT_a372 — Air Comp Over Current VCBATT_a372_airCompOverCurrent The air compressor for the air suspension system reports an overcurrent condition (current measurement is implausibly high).
• VCBATT_a375 — Ref Voltage Out Of Spec VCBATT_a375_refVoltageOutOfSpec The reference voltage for the controller is outside of the tolerance band, reference voltage is the scaler for the rest of voltage readings.
• VCBATT_a376 — Controller Wakeup Debug VCBATT_a376_controllerWakeupDebug Debug Data capture event on front controller wakeup.
• VCBATT_a379 — Shorted Cell Test Run Debug VCBATT_a379_shortedCellTestRunDebug Capture info useful for debugging: the load current, lowest voltage, lowest unfiltered voltage, time spent below voltage threshold.
• VCBATT_a387 — Shorted Cell Instc VCBATT_a387_shortedCellInstc The low voltage (LV) battery has failed a test that checks for shorted battery cells. May indicate the LV battery has a shorted cell and is unable to fully support the LV electrical system. Note: A single failure of this test does not reli…
• VCBATT_a388 — Shorted Cell VCBATT_a388_shortedCell The low voltage (LV) battery has failed a test 5 times that checks for shorted battery cells. May indicate the LV battery has at least one shorted cell and is unable to fully support the LV electrical system. Note: A single failure of this…
• VCBATT_a392 — Air Comp Output Stuck On VCBATT_a392_airCompOutputStuckOn The vehicle controller detects output voltage from the air compressor for the air suspension system when none is expected. The vehicle controller's fused high current eFuse circuit will be used to deenergize the air compressor.
• VCBATT_a401 — Dead LV Minimal Ah Discharged VCBATT_a401_deadLVMinimalAhDischarged The vehicle controller has determined the low voltage (LV) battery is no longer functional, as it has reached a low measured voltage with minimal Amp hours discharged.
• VCBATT_a402 — LV Battery Cannot Support Vehicle VCBATT_a402_LVBatteryCannotSupportVehicle The vehicle controller has detected a condition where the low voltage (LV) battery is unable to support vehicle electrical systems. The vehicle is likely to shut down if high voltage (HV) battery support for vehicle electrical systems via…
• VCBATT_a403 — Charge Exit Hard Current Limit VCBATT_a403_chargeExitHardCurrentLimit Capture data about charge session ending.
• VCBATT_a404 — Resistance Estimation Hard Failure VCBATT_a404_resistanceEstimationHardFailure The low voltage (LV) battery internal resistance is too high, based on measured voltage being below the acceptable threshold during a resistance estimation test. Indicates LV battery replacement is necessary.
• VCBATT_a405 — Dcr Data1 VCBATT_a405_dcrData1 First part of Direct Current Resitance test results.
• VCBATT_a406 — Dcr Data2 VCBATT_a406_dcrData2 Second part of Direct Current Resitance test results.
• VCBATT_a407 — Dcr Milli Ohms Above Threshold VCBATT_a407_dcrMilliOhmsAboveThreshold The low voltage (LV) battery internal resistance is too high, based on a direct current internal resistance (DCR) calculation. Indicates LV battery replacement is necessary.